TorcUP TU-2 User manual

OPERATION AND MAINTENANCE
MODELS TU-2, TU-3, TU-5, TU-7, TU-11, TU-20, TU-27 & TU-60
MANUAL
TU Series
Square Drive Hydraulic Torque Wrenches
TU Series
Phone: +1 610-250-5800
Fax: +1 610-250-2700
Toll Free: 1-888-TORCUP-1
Email: [email protected]
Website: www.torcup.com
1025 Conroy Place, Easton, PA. 18040 U.S.A.

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Operational and Maintenance Manual for TorcUP
TU-2, TU-3, TU-5, TU-11, TU-20 ,TU-27 AND TU-60
Square Drive Hydraulic Torque Wrenches
Version 2: 2016 September
Series TU-2, TU-3,TU-5, TU-7, TU-11, TU-20, TU-27 and TU-60 Square Drive Hydraulic Torque
Wrenches are designed for installing and removing threaded fasteners requiring precise high torque
during bolt makeup and maximum torque during bolt breakout.
TorcUPInc.isnotresponsibleforcustomermodicationoftoolsforapplicationson
which TorcUP Inc. was not consulted.
IMPORTANT SAFETY INFORMATION ENCLOSED.
READ THIS MANUAL BEFORE OPERATING TOOL.
IT IS THE RESPONSIBILITY OF THE EMPLOYER TO PLACE THE INFORMATION IN THIS
MANUAL INTO THE HANDS OF THE OPERATOR.
FAILURE TO OBSERVE THE FOLLOWING WARNINGS COULD RESULT IN INJURY.
USING THE TOOL
• Always operate, inspect and maintain this tool in accordance with American National Standards
Safety Code for Hydraulic Rams and Jacks (ANSI B30.1).
• This tool will function using an air or electric powered hydraulic pump. Adhere to the pump safety
requirements and follow instructions when connecting the pump to the tool.
• Use only equipment rated for the same pressure and torque.
• Use only a hydraulic pump capable of generating 10,000 psi (681 bar) maximum pressure with this
tool.
• Use only twin line hydraulic hose rated for 10,000 psi (681 bar) pressure with this tool.
• Do not interchange the male and female swivel inlets on the tool or the connections on one end of
the hose. Reversing the inlets will reverse the power stroke cycle and may damage the tool.
• Donotusedamaged,frayedordeterioratedhosesandttings.Makecertaintherearenocracks,
splits or leaks in the hoses.
• Use the quick connect system to attach the hoses to the tool and pump.
• When connecting hoses that have not been preloaded with hydraulic oil, make certain the pump
reservoir is not drained of oil during start-up.
• Do not remove any labels. Replace any damaged label.
• Do not handle pressurized hoses. Escaping oil under pressure can penetrate the skin, causing
serious injury. If oil is injected under the skin, see a doctor immediately.
• Never pressurize uncoupled couplers. Only use hydraulic equipment in a coupled system.
• Always wear eye protection when operating or performing maintenance on this tool.
• Always wear head and hand protection and protective clothing when operating this tool.
The use of other than genuine TorcUP replacement parts may result in safety
hazards, decreased tool performance, increased maintenance, and may invalidate
all warranties. Repairs should be made only by authorized personnel. Consult
your nearest TorcUPAuthorized Service Center.
Refer All Communications to the Nearest TorcUP Ofce or Distributor.
NOTICE
WARNING
For Technical Support & Information Contact:
TorcUP Inc.
1025 Conroy Place, Easton, PA 18040 USA
Phone: +1 610-250-5800 Fax:+1 610-250-2700
email: [email protected]

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FAILURE TO OBSERVE THE FOLLOWING WARNINGS COULD RESULT IN INJURY
Do NOT Exceed Maximum Pressure. See Torque Chart with Tool. Damage May Occur.
Always wear ear
protection
when operating
this tool.
Do not carry
the tool
by the hose.
Keep body stance
balancedandrm.
Do not overreach
when operating
this tool.
USING THE TOOL
• Keep hands, loose clothing and long hair away from the reaction arm and working area during operation.
• This tool will exert a strong reaction force. Use proper mechanical support and correct reaction arm
positioning to control these forces. Do not position the reaction arm so that it tilts the tool off the axis of the
bolt and never use the swivel inlets as a reaction stop.
• Avoid sharp bends and kinks that will cause severe back-up pressure in hoses and lead to premature hose
failure.
• Use accessories recommended by TorcUP.
• Use only impact sockets and accessories. Do not use hand (chrome) sockets or accessories.
• Useonlysocketsandaccessoriesthatcorrectlyttheboltornutandfunctionwithouttiltingthetooloffthe
axis of the bolt.
• This tool is not insulated against electric shock.
• This equipment must not be operated or serviced unless the operator read the operating instructions and
fully understands the purpose, consequences and procedure of each step.
• When operating a larger tool (TU-20, TU-27, or TU-60) above waist height, employ a secondary means of
support for safety purposes. A tool sling or chains may be used. Consult your safety department for further
suggestions.
Depending on the working environment your local health and safety regulations may require
you wear protective gear (i.e. safety shoes, hard hat, gloves, coveralls, etc.). In case external
forces are exerted on the equipment, non-compliance with these regulations may result in
injury. EAR PROTECTION MUST BE WORN WHEN OPERATING THIS TOOL.
The Reaction Arm must be
positioned against a positive stop.
Do not use the arm as a dead
handle. Take precautions to
make certain the operator’s hand
cannot be pinched between
the arm and a solid object.
Do not use damaged,
frayed or deteriorated
hydraulic hoses
andttings.
Always wear eye
protection
when operating or
performing
maintenance
on this tool.
WARNING

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PLACING THE TOOL IN SERVICE
CONNECTING THE TOOL
1. Attach the twin line hose to the swivel inlets of the square drive torque wrench using the
spring–loaded quick connect ends.
2. Connect the opposite ends of the hose to the pump in the same manner.
ADJUSTMENTS
SETTING THE SQUARE DRIVE FOR ROTATION
The position of the square drive when looking toward the shroud will determine if the tool is
set to tighten or loosen the nut. When the square drive extends to the left (when looking at
the shroud with the inlets away from you), the tool is set to loosen the nut. When the square
drive extends to the right, the tool is set to tighten the nut. To change the direction of rotation
for models TU-2 TU-3, TU-7 and TU-11 simply push the square drive into the housing until the
drive projects out the opposite side of the tool. For models TU-5, TU-20, TU-27 and
TU-60, loosen and remove the square drive retaining knob and pull the square drive out of the
housing. Insert the square drive into the opposite side of the housing and secure it by install-
ing the knob in the splined end of the drive.
SETTING THE TORQUE
Afterdeterminingthedesiredtorque,usethecalibrationcerticateprovidedwiththetoolto
determine the pressure necessary to achieve that torque. You may also refer to the chart en-
graved on the shroud of the tool or the charts provided on pages 9-16 of this manual.
1. Connect the tool to the power supply and turn the pump on.
2. Depress the remote control button causing the pressure to be shown on the gauge.
3. Adjust the pressure by loosening the wing nut that locks the pressure adjustment thumb
screw. Rotate the thumbscrew clockwise to increase the pressure and counterclockwise to
decrease the pressure. When decreasing pressure, always lower the pressure below the
desired point and then bring the gauge back up to the desired pressure.
4. When the desired pressure is reached, retighten the wing nut and cycle the tool again to
conrmthatthedesiredpressuresettinghasbeenobtained.

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The function of a reaction device is to hold the tool in position against the forces generated to
tighten or loosen bolts or nuts. Hydraulic wrenches generate tremendous force.
SETTING THE REACTION ARM
An improperly
positioned reaction
arm may result in
operator injury
or damage to tooling.
REACTION
CONTACT
POINTS
REACTION
CONTACT
POINTS
REACTION
CONTACT
POINTS
REACTION
CONTACT
POINTS
Square Drive Hydraulic Wrench Reaction Points (Dwg.01)
Make sure the reaction arm is positioned correctly.
(Refer to Dwg. 01).
The reaction arm can be positioned numerous
places within a 360O circle. However, for the arm to
be correctly positioned, it must be set within a 90O
quadrant of that circle. That quadrant is the area
located between the protruding square drive and
at the bottom of the housing away from the swivel
inlets. It will always be toward the lower half of the
housing and on one side of the housing when
tightening and on the other side when loosening.
(Dwg. 01)

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OPERATING THE WRENCH
The position of the square drive relative to the shroud
determines whether the action will tighten or loosen the
nut. (Refer to Dwg. 02 for application examples).
The power stroke of the piston assembly will always
turn the square drive toward the shroud.
1. Insert the square drive into the mating socket. Then,
insert the safety pin through the socket and seat the
included O-ring into the groove to capture the pin.
Place the socket onto the nut making sure the socket
is the proper size and that all mating parts are fully
seated.
2. Position the reaction arm or surface against an
adjacentnut,angeorsolidsystemcomponent.Make
certain that there is clearance for the hoses, swivels,
inlets and end plug. DO NOT allow the tool to react
against the hoses, swivels, inlets or end plug.
3. After turning the pump on and presetting the
pressure for the correct torque, depress the remote control button to advance the piston
assembly.
4. Once the wrench is started, the reaction surface of the wrench or reaction arm will move
against the contact point and the nut will begin to turn.
5. When the nut is no longer turning and the pump gauge reaches the preset pressure,
release the remote control button. The piston rod will retract when the button is released.
Under normal conditions, an audible “click” will be heard as the tool resets itself.
6. Continue to cycle the tool until it “stalls” and the preset psi/torque has been attained.
7. Cycle the tool one additional time to ensure full torque.
Square Drive Position for Loosening and Tightening (Dwg.02)
(Dwg. 02)

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MARINE MOLY GREASE
Lubrication frequency is dependent on factors known only to the user. The amount of
contaminants in the work area is one factor. Tools used in a clean room environment will
obviously require less service than a tool used outdoors and dropped in loose dirt or sand.
Marine Moly Grease is formulated not to wash out of the tool in areas where
lubrication is critical.
Whenever lubrication is required, lubricate as follows:
1. Remove the drive plate, ratchet, drive segment and sleeves as instructed in the
maintenance section and wash the components in a suitable cleaning solution in a well
ventilated area.
2. Afterdryingthecomponents,wipealmofMarineMolyGreaseontothewearsurfaceof
both sleeves and the ends of the ratchet.
3. SpreadalightlmofMarineMolyGreaseontotheinnerfaceandbothsidesofthedrive
plate. Do not pack the teeth of the drive segment or ratchet with lubricant. It can prevent
the teeth from engaging properly.
4. Place a daub of Marine Moly Grease in the piston rod recess of the drive plate before
linking the piston rod to the drive plate at assembly.
CRITICAL LUBRICATION
It is imperative to lubricate the piston rod recess of the drive plate to piston rod contact area
every 80 hours of continuous duty cycling.
Lubricate as follows:
1. Remove shroud screws, shroud, and roll pin.
2. Pry the drive plate assembly forward from the piston rod to expose the recessed contact
area in the drive plate.
3. With a rag, wipe clean the area and apply a sizeable amount of Marine Moly Grease.
4. Reassemble as instructed in the maintenance section.
LUBRICATION

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TU Series Wrench Technical & Dimensional Data
Model Number TU-2 TU-3 TU-5 TU-7
Square drive 3/4” 1” 1 1/2” 1 1/2”
Min. Torque (ft/lbs) 127 330 550 740
Max. Torque (ft/lbs) 1270 3330 5500 7400
Min. Torque (nm) 172 447 745 1003
Max. Torque (nm) 1722 4514 7457 10031
Output Accuracy +/-3% +/-3% +/-3% +/-3%
Repeatability 100% 100% 100% 100%
Duty Cycle 100% 100% 100% 100%
Tool Weight (lbs/kg) 5.6/2.5 10.9/4.9 18.1/8.2 19.0/8.6
Height (in/mm) 4.20/106.7 5.33/135.3 6.40/162.6 7.17/182.1
Length 1 (in/mm) 4.82/122.4 6.40/162.5 7.91/200.9 8.84/224.5
Length 2 (in/mm) 6.34/161.0 8.43/214.1 10.66/270.7 11.58/294.1
Radius (in/mm) 0.98/24.9 1.31/33.2 1.57/39.8 1.77/44.9
Width 1 (in/mm) 2.00/50.8 2.63/66.8 3.12/79.2 3.61/91.7
Width 2 (in/mm) 2.79/70.9 3.68/93.5 4.64/117.8 5.06/128.5
Width 3 (in/mm) 4.42/112.3 5.81/147.6 7.00/117.8 7.98/202.7

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TU Series Wrench Technical & Dimensional Data
Model Number TU-11 TU-20 TU-27 TU-60
Square drive 1 1/2” 2 1/2” 2 1/2” 2 1/2”
Min. Torque (ft/lbs) 1100 1940 2720 5800
Max. Torque (ft/lbs) 11010 20625 27200 58000
Min. Torque (nm) 1491 2630 3687 7862
Max. Torque (nm) 14925 27964 36872 78625
Output Accuracy +/-3% +/-3% +/-3% +/-3%
Repeatability 100% 100% 100% 100%
Duty Cycle 100% 100% 100% 100%
Tool Weight (lbs/kg) 29.0/13.1 61.0/27.6 70.0/31.7 130.0/59.8
Height (in/mm) 7.80/198.1 9.22/234.3 10.19/258.8 11.50/292.1
Length 1 (in/mm) 9.79/248.6 9.44/239.7 12.32/312.9 15.38/390.7
Length 2 (in/mm) 12.79/324.8 16.09/408.9 16.33/414.8 20.40/518.2
Radius (in/mm) 2.03/51.5 2.31/58.7 2.46/62.5 3.10/78.7
Width 1 (in/mm) 3.95/100.3 4.87/123.6 5.26/133.6 6.58/167.1
Width 2 (in/mm) 5.43/137.9 7.15/181.7 7.57/192.3 8.89/225.8
Width 3 (in/mm) 8.72/221.5 10.88/276.4 11.63/295.4 14.29/363.0

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TU-2 Series Wrench
ITEM
NAME PART # QTY. ITEM NAME PART # QTY. ITEM NAME PART # QTY.
1Housing TU-2-01 114 Square Drive TU-2-11-1 1 28 Piston Seal TU-2-33 1
2Reaction Arm TU-2-03-1 1 15 Sq. Dr. Locking Pin TU-2-11-2 1 31 Gland Seal TU-2-35 1
3Spline Sleeve TU-2-03-2 1 16 Sq. Drive Pin TU-2-11-3 1 32 End Plug Seal TU-2-37 1
4Locking Pin TU-2-03-3 1 18 Sq. Drive Sleeve TU-2-13 235 Cylinder Ring TU-2-43 1
5Retract Button TU-2-03-4 1 19 End Plug TU-2-15 136 Sleeve O-ring TU-2-51 2
6Reaction Arm Screw TU-2-03-5 1 20 Piston Rod Assembly TU-2-17 139 Swivel Set
STU-4M-4M
2
7Reaction Arm Spring TU-2-03-6 1 22 Roll Pin TU-2-19 140 Coupler Set HC-S-100 1
8Reaction Arm Cover TU-2-03-7 1 23 Cylinder Gland TU-2-21 1
9Cover Screws TU-2-03-8 2 24 Shroud TU-2-23 150 Gland Wrench TU-2-GW
11 Ratchet TU-2-05 125 Shroud Screws TU-2-25 2
12 Drive Segment TU-2-07 126 Drive Segment Spring TU-2-27 2 Reaction Arm Assembly TU-2-03
13 Drive Plate TU-2-09 127 Rod Seal TU-2-31 1 Square Drive Assembly TU-2-11
Part Numbers for Ordering

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TU-3 Series Wrench
ITEM
NAME PART # QTY. ITEM NAME PART # QTY. ITEM NAME PART # QTY.
1Housing TU-3-01-U 114 Square Drive TU-3-11-1 128 Piston Seal TU-3-33 1
2Reaction Arm TU-3-03-1 115 Sq. Dr. Locking Pin TU-3-11-2 131 Gland Seal TU-3-35 1
3Spline Sleeve TU-3-03-2 116 Sq. Drive Pin TU-3-11-3 132 End Plug Seal TU-3-37 1
4Locking Pin TU-3-03-3 118 Sq. Drive Sleeve TU-3-13-U 235 Cylinder Ring TU-3-43 1
5Retract Button TU-3-03-4 119 End Plug TU-3-15 137 Ratchet Spring TU-3-53 1
6Reaction Arm Screw TU-3-03-5 120 Piston Rod Assembly TU-3-17-U 139 Swivel Set STU-4M-4M 2
7Reaction Arm Spring TU-3-03-6 122 Roll Pin TU-3-19 140 Coupler Set HC-S-100 1
8Reaction Arm Cover TU-3-03-7 123 Cylinder Gland TU-3-21 1
9Cover Screws TU-3-03-8 224 Shroud TU-3-23-U 150 Gland Wrench TU-3-GW
11 Ratchet TU-3-05 125 Shroud Screws TU-3-25 2
12 Drive Segment TU-3-07 126 Drive Segment Spring TU-3-27 2Reaction Arm Assembly TU-3-03
13 Drive Plate TU-3-09-U 127 Rod Seal TU-3-31 1Square Drive Assembly TU-3-11
Part Numbers for Ordering

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TU-5 Series Wrench
ITEM
NAME PART # QTY. ITEM NAME PART # QTY. ITEM NAME PART # QTY.
1Housing TU-5-01 114 Square Drive TU-5-11-1 1 31 Gland Seal TU-5-35 1
2Reaction Arm TU-5-03-1 1 17 Sq. Dr. Retaining Knob TU-5-11-6 1 32 End Plug Seal TU-5-37 1
3Spline Sleeve TU-5-03-2 1 18 Sq. Drive Sleeve TU-5-13 233 Housing Side Plug TU-5-39 2
4Locking Pin TU-5-03-3 1 19 End Plug TU-5-15 134 Sleeve Retaining Ring TU-5-41 2
5Retract Button TU-5-03-4 1 20 Piston Rod Assembly TU-5-17 135 Cylinder Ring TU-5-43 1
6Reaction Arm Screw TU-5-03-5 1 22 Roll Pin TU-5-19 139 Swivel Set STU-8M-4M 2
7Reaction Arm Spring TU-5-03-6 1 23 Cylinder Gland TU-5-21 140 Coupler Set HC-S-100 1
8Reaction Arm Cover TU-5-03-7 1 24 Shroud TU-5-23 1
9Cover Screws TU-5-03-8 3 25 Shroud Screws TU-5-25 350 Gland Wrench TU-5-GW
11 Ratchet TU-5-05 126 Drive Segment Spring TU-5-27 2
12 Drive Segment TU-5-07 127 Rod Seal TU-5-31 1 Reaction Arm Assembly TU-5-03
13 Drive Plate TU-5-09 128 Piston Seal TU-5-33 1 Square Drive Assembly TU-5-11
Part Numbers for Ordering
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